203342425 has 48 divisors (see below), whose sum is σ = 309230208. Its totient is φ = 130521600.

The previous prime is 203342383. The next prime is 203342437. The reversal of 203342425 is 524243302.

It is not a de Polignac number, because 203342425 - 2¹⁵ = 203309657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203342425.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80989 + ... + 83461.

It is an arithmetic number, because the mean of its divisors is an integer number (6442296).

Almost surely, 2^203342425 is an apocalyptic number.

203342425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203342425 is a deficient number, since it is larger than the sum of its proper divisors (105887783).

203342425 is a wasteful number, since it uses less digits than its factorization.

203342425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 203342425 is about 14259.8185472326. The cubic root of 203342425 is about 588.0433361939.

Adding to 203342425 its reverse (524243302), we get a palindrome (727585727).

The spelling of 203342425 in words is "two hundred three million, three hundred forty-two thousand, four hundred twenty-five".